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1. |
One hundred people who enter a restaurant are asked to identify their favorite food. This sample is _____. |
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A. |
a good sample because there are a large number of people surveyed |
B. |
not a good sample because you need to use at least 2000 people to have a good survey |
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C. |
a good sample because the people are randomly chosen |
D. |
not a good sample because only people who eat at this particular restaurant are surveyed |
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Hint |
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2. |
Which of the following is the correct way to order the integers 1, -3, 0, 6, and -8 from least to greatest? |
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A. |
6, 1, 0, -3, -8 |
B. |
-8, -3, 0, 1, 6 |
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C. |
-8, 6, -3, 1, 0 |
D. |
0, -8, -3, 1, 6 |
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Hint |
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3. |
Find 12.5% of 32. |
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A. |
4 |
B. |
2.56 |
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C. |
400 |
D. |
256 |
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Hint |
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4. |
The probability that an event will happen is always between ______. |
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A. |
1 and 2 inclusive |
B. |
0 and 100 inclusive |
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C. |
1 and 100 inclusive |
D. |
0 and 1 inclusive |
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Hint |
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5. |
Two die are rolled. What is the probability that the sum of the
two die is 8? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Which description does not fit the graph of x = -4? |
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A. |
The line passes through the point at (0, 0). |
B. |
The graph is a vertical line. |
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C. |
The value of the x-coordinate is always -4. |
D. |
The graph is parallel to the y-axis. |
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Hint |
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7. |
Write an equation in slope–intercept form of the line with slope  that passes through the point at (–1, 0). |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
The graphs of the equations y = –5x + 1 and  are a family of graphs because ________. |
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A. |
the slopes are integers |
B. |
the slopes are reciprocals |
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C. |
both equations are solved for y |
D. |
the y-intercepts are the same |
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Hint |
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9. |
Refer to the diagram below. Find the area of the shaded region in simplest form. |
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A. |
3x2 + 7 |
B. |
3x2 + 42 |
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C. |
3x2 + 42x |
D. |
3x2 + 7x |
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Hint |
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10. |
Express 0.00000083 in scientific notation. |
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A. |
8.3 × 10-7 |
B. |
83 × 10-8 |
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C. |
-8.3 × 10-7 |
D. |
0.83 × 10-6 |
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Hint |
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11. |
Find the quotient -4 ÷ 2. |
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A. |
-2 |
B. |
6 |
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C. |
2 |
D. |
-6 |
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Hint |
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12. |
Marilyn and Rafael spent the same amount of money on school supplies this year. Marilyn bought 4 notebooks and spent $3 on other school supplies. Rafael bought 5 of the same notebooks and spent $1.75 on other school supplies. How much does one notebook cost? |
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A. |
$42.75 |
B. |
$0.53 |
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C. |
$1.25 |
D. |
$0.14 |
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Hint |
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13. |
Joseph and Pedro are selling chocolate bars at the concession stand at a school football game. There are two types of chocolate bars, with nuts and without. They sell 36 of the ones with nuts and 54 of the ones without and make a total of $44.10. If the chocolate bars with nuts cost ten cents more than the ones without, how much did the chocolate bars with nuts cost? |
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A. |
$0.45 |
B. |
$0.59 |
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C. |
$0.55 |
D. |
$0.49 |
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Hint |
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14. |
The relation in the graph is _________. |
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 |
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A. |
a function because each member of the range is paired with exactly one member of the domain |
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B. |
not a function because each member of the range is paired with more than one member of the domain |
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C. |
a function because each member of the domain is paired with exactly one member of the range |
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D. |
not a function because each member of the domain is paired with more than one member of the range |
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Hint |
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15. |
In physics the equation F = ma means ''force equals mass times acceleration.'' The acceleration of a freely falling object is 9.8 m/s2. Use the function F(m) = 9.8m to find the force in Newtons (N) of a freely falling object with a mass of 14 g. |
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A. |
23.8 N |
B. |
8.2 N |
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C. |
1.43 N |
D. |
137.2 N |
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Hint |
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16. |
Simplify the expression (jk)(2k)(3jk5). |
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A. |
5j3k7 |
B. |
5j2k5 |
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C. |
6j3k7 |
D. |
6j2k5 |
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Hint |
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17. |
Simplify the expression  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
To fertilize the crops on the farm he works at, Omari has to use no less than the fertilizer recommended for 262 yd2 of land. If the field has the same width and length, that are a whole number of yards long, how long is the field? |
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A. |
16 yd |
B. |
19 yd |
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C. |
18 yd |
D. |
17 yd |
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Hint |
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19. |
Solve the equation 3(x + 2) = 5 – 5(2x – 8). |
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A. |
x = -2.143 |
B. |
x = -3.154 |
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C. |
x = 1 |
D. |
x = 3 |
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Hint |
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20. |
Solve the equation -6x2 – x = 3(-1 – 2x2) + 8. |
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A. |
x = 5 |
B. |
x = -5 |
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C. |
x2 = 5 |
D. |
x2 = -5 |
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Hint |
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